<?xml version="1.0" encoding="utf-8"?>
<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/mobile_navigation"
    app:startDestination="@+id/bookshelf">

    <include app:graph="@navigation/bookshelf" />
    <include app:graph="@navigation/catalogs" />
    <include app:graph="@navigation/about" />

</navigation>